DTC Logic
DTC DETECTION LOGIC
NOTE: DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to A/F sensor 1.
DTC No. | Trouble diagnosis (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P1148 | CLOSED LOOP-B1 (Closed loop control function) | The closed loop control function does not operate even when vehicle is being driven in the specified condition. |
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Diagnosis Procedure
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to A/F sensor 1.
Refer to EC, "DTC Index".
Car phone or CB radio
When installing a CB, ham radio or car phone in
your vehicle, be sure to observe the following
precautions; otherwise, the new equipment may
adversely affect the engine control system and
other electronic parts.
WARNING
A cellular phone should not be used for
any purpose while driving so ...
Fuel pressure check
Work Procedure
FUEL PRESSURE RELEASE
1.FUEL PRESSURE RELEASE
With CONSULT
Turn ignition switch ON.
Perform "FUEL PRESSURE RELEASE" in "WORK SUPPORT" mode with CONSULT.
Start engine.
After engine stalls, crank it two or three times to release all fuel
pressure.
Turn ignition switc ...